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Home >> Mazda >> 2021 >> 6 Signature >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> On-Board Diagnostic - 360DEGREES View Monitor Control Module >> DTC U0401-00: Error Signal Received From Pcm [360°View Monitor Control Module] >> Notes
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DTC U0401-00: Error Signal Received From Pcm [360°View Monitor Control Module]: Notes

DTC U0401:00 [360°VIEW MONITOR CONTROL MODULE] DETECTION CONDITION AND POSSIBLE CAUSE

Description Error signal received from PCM
Detection condition
  • The 360°view monitor control module detects a signal error from the PCM for a certain period of time or more.
Fail-safe
  • The 360° view monitor system displays for only 8 s on the center display when the 360° view monitor switch is pressed, and then it switches to non-display.
Possible cause
  • DTCs are stored in the PCM.
  • PCM malfunction
  • 360°view monitor control module malfunction
System wiring diagram Not applicable